Discover Le Havre's remarkable cultural heritage through this full-day itinerary featuring UNESCO World Heritage architecture, fascinating museums, and stunning botanical gardens. Begin at the Hanging Gardens, a magnificent 17-hectare botanical park in a 19th-century military fort with panoramic views over the Seine estuary. Continue to the Perret Show Flat for an authentic glimpse of post-war reconstruction living, then admire Oscar Niemeyer's iconic Le Volcan cultural center. Explore natural history at the newly renovated museum, and finish at the Shipowner's House, a rare survivor of pre-war architecture. Important: Perret Show Flat requires advance reservation and runs April-September only. Le Volcan and the Natural History Museum are closed Mondays. The Shipowner's House reopens January 2026. Total walking distance is approximately 4 km.